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    Subject[patch 7/9] kdump: Trigger kdump via panic notifier chain on s390
    From: Michael Holzheu <>

    On s390 we have the possibility to configure actions that are executed in
    case of a kernel panic. E.g. it is possible to automatically trigger an s390
    stand-alone dump. The actions are called via a panic notifier. We also want
    to trigger kdump via the notifier call chain. Therefore this patch disables
    for s390 the direct kdump invocation in the panic() function.

    Signed-off-by: Michael Holzheu <>
    kernel/panic.c | 3 +++
    1 file changed, 3 insertions(+)

    --- a/kernel/panic.c
    +++ b/kernel/panic.c
    @@ -84,9 +84,12 @@ NORET_TYPE void panic(const char * fmt,
    * If we have crashed and we have a crash kernel loaded let it handle
    * everything else.
    + * For s390 kdump is triggered via the panic notifier call chain.
    * Do we want to call this before we try to display a message?
    +#if !defined(CONFIG_S390)


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